build: install and configure Vite, move index.html

client/vite.config.ts

@@ -0,0 +1,40 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import path from 'path';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  server: {
+    host: "localhost",
+    port: 3090,
+    strictPort: false,
+    proxy: {
+      "/api": {
+        target: "http://localhost:3080",
+        changeOrigin: true,
+      }
+    }
+  },
+  plugins: [react()],
+  build: {
+    sourcemap: true,
+    outDir: "./public",
+  },
+  resolve: {
+    alias: {
+      "~": path.join(__dirname, "src/"),
+    },
+  },
+  define: {
+    // global: {},
+    // process: {
+    //   env: {
+    //     VITE_APP_API: process?.env.VITE_APP_API || 'production',
+    //   },
+    // },
+  },
+});
+
+// module.exports = {
+//   plugins: [require("tailwindcss")],
+// };